67% (2003)

62% (2012)

52% (2005)

68% (2004)

45% (2008)

59% (2011)

53% (2012)

61% (2003)

50% (2008)

60% (2017)

55% (2005)

51% (2012)

60% (2005)

57% (2007)

67% (2011)

64% (2008)

51% (2006)

62% (2013)

53% (2008)

42% (2008)